Seagate ST1000LM014, ST93205620AS manual Physical organization, Recording and interface technology

2.4Physical organization

Drive model	Read/write heads	Number of discs
ST95005620AS	4	2
ST93205620AS	3
ST92505610AS	2	1

2.5Recording and interface technology

Interface	Serial ATA (SATA)
Recording method	Perpendicular
Recording density BPI (bits/in max)	1,490k
Track density TPI (tracks/in max)	265k
Areal density (Gb/in2 max)	394
Spindle speed (RPM) (± 0.2%)	7200
Maximum Internal transfer rate (Gb/s)	1.23
I/O data-transfer rate (Gb/s max)	3.0
Interleave	1:1
Cache buffer	32MB (32,768KB)

2.6Physical characteristics

Drive specification
Height	(mm)	9.5 +/-0.2
	(in)	0.370	+/-0.008
Width	(mm)	69.85	+/-0.25
	(in)	2.750	+/-0.010
Length	(mm)	100.35 +0.20 / -0.25
	(in)	3.951	+0.008 / -.010
Typical weight
	ST95005620AS	110 g
	ST93205620AS	0.238 lb
	ST92505610AS	105 g
		0.227 lb

6 Momentus XT Product Manual, Rev. B